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參數(shù)資料
| 型號： | PWR-82341-260 |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 10 A, DIP34 |
| 封裝： | 1.8 X 1.4 INCH, 0.25 INCH HEIGHT, PACKAGE-34 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大?。?/td> | 178K |
| 代理商： | PWR-82341-260 |
8
Data Device Corporation
www.ddc-web.com
PWR-82341
D-10/05-0
LAYOUT AND EXTERNAL COMPONENTS
Important Information – The following layout guidelines and
required external components are critical to the proper
operation of these motor drives.
Permanent damage will result to the motor drive if the user
does not make the following recommended ground connec-
tions that will ensure the proper operation of the hybrid.
To prevent damage to the internal drive circuitry, the differ-
ential voltage between GND and VSS must not exceed ±3 V
max, dc or peak. This includes the combined voltage drop of the
associated ground paths and the voltage drop across Rsense
(see FIGURE 8). For example, a value for Rsense of 0.1
will
give a voltage drop of 1.00 V at 10 A and allow enough margin
for the voltage drop in the ground conductors. Locate Rsense
1”–2" maximum from the hybrid. It is critical that all ground
connections be as short, and of lowest impedance, as the
system allows.
C1 and C2 are 0.1
F ceramic bypass capacitors that suppress
high frequency spiking. The voltage rating should be 2x the max-
imum system voltage. Locate them as close to the hybrid as pos-
sible. Please note, on FIGURE 8, that C1 and C2 must go direct-
ly from terminal-to-terminal on the hybrid – do not daisy chain
along the power ground return.
C3 and C4 are 0.01
F, 50 V ceramic capacitors for power sup-
ply decoupling. Locate them as close to the hybrid as possible.
CC is a 1
F, 20% capacitor (either polarized or nonpolarized). If
a polarized cap is used, the positive terminal must be connected
to the +cap pin of the hybrid. Voltage rating should be 2x the
maximum system voltage.
Care must be taken to control the regenerative energy produced
by the motor in order to prevent excessive voltage spiking on the
VCC line. This can be accomplished by placing a capacitor or
clamping diode between VCC and the high power ground return.
PIN
FUNCTION
-CAP
NC
+CAP
VCC
NC
VOA
VSSA
VCC
VOB
NC
VSSB
NC
V+
GND
VLPI
NC
VUA
NC
VLA
GND
VSD
VUB
NC
VLB
GND
NC
FUNCTION
PIN
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
TABLE 4. PIN ASSIGNMENT TABLE
1
3
2
+ 15 V
R SENSE
INPUT COMMANDS
CURRENT
SENSE
CIRCUITRY
UC1637
PWM
PWR-82341
THERMAL SENSE
INPUT
VELOCITY
COMMAND
A
OUT
B
OUT
V
UA
V
LA
V
UB
V
LB
V
LPI
V
Sd
V
SS
V
SS
V
OA
V
OB
GND
-CAP
+CAP
V
CC
V
CC
MOTOR
V
CC
C
V+
FIGURE 6. SHUT-DOWN INPUT USED WITH CURRENT-SENSING CIRCUITRY
FIGURE 7. OUTPUT CHARACTERISTICS
IOB
ton
IOA
VCC
IO
ts2
ts1
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